Refine BuildAssumeDepsUpToDate test to start with --assume-deps-up-to-date.
Refine BuildAssumeDepsUpToDate test to start with --assume-deps-up-to-date.

Signed-off-by: Edward Z. Yang <dbd597f5635f432486c5d365e9bb585b3eaa1853@cs.stanford.edu>

mydaum/cabal,sopvop/cabal,thomie/cabal,themoritz/cabal,themoritz/cabal,sopvop/cabal,headprogrammingczar/cabal,Heather/cabal,gbaz/cabal,headprogrammingczar/cabal,gbaz/cabal,themoritz/cabal,bennofs/cabal,kolmodin/cabal,thomie/cabal,sopvop/cabal,Heather/cabal,kolmodin/cabal,mydaum/cabal,bennofs/cabal